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Old 03-14-05, 10:18 AM   #1
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Cool Gaming and Multi-Core CPU's

http://www.anandtech.com/cpuchipsets...oc.aspx?i=2377

Good read. Has an interview with Tim Sweeny.
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Old 03-14-05, 10:56 AM   #2
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Default Re: Gaming and Multi-Core CPU's

I fail to understand all this hype. Quake 3 and Unreal engines (all versions) silently supported SMP from the start. Maybe in the future it will become more common, but it's nothing mind shattering.
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Old 03-14-05, 11:32 AM   #3
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Default Re: Gaming and Multi-Core CPU's

Quote:
Originally Posted by msxyz
I fail to understand all this hype. Quake 3 and Unreal engines (all versions) silently supported SMP from the start. Maybe in the future it will become more common, but it's nothing mind shattering.
I read that it either doesnt work well any more in Quake 3, or was removed in patches.

Besides, those games are 6 years old now, any CPU released since 2000 could handle those games just fine. Todays games (and next years games probably) require a lot of CPU power for physics and AI. Just look at CPU performance charts. There are still performance gains in some games all the way up to the FX55 at high resolutions. That means the CPU is still being taxed.

The way games are looking now, I think dual CPUs are going to be a must in the next 2 years.
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Old 03-14-05, 11:41 AM   #4
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Default Re: Gaming and Multi-Core CPU's

Wouldn't dual-core CPUs kinda eliminate the need for the PPU? Becuase couldn't one core be dedicated to all the physics stuff while the other core is doing everything else?
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Old 03-14-05, 12:03 PM   #5
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Default Re: Gaming and Multi-Core CPU's

yes but the PPU is more suited for physics, plus it is more beefy. It comes with 128mb DDR memory.
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Old 03-14-05, 12:07 PM   #6
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Default Re: Gaming and Multi-Core CPU's

I dunno.. I think 1 of the cores of a dual core AMD 64 at about 2.4ghz could prolly match the PPU. Remember the PPU has to transfere data in both directions across the PCIe bus. Now I'm not sure what size of data is gonna be transferring both ways, but you gotta remember game code on the cpu is going to be relying on that.

Whereas if its running on a cpu core, you've got alot less latency to worry about.

Wouldn't be suprised if you could have single core cpu + PPU, roughly equaliing dual core cpu in terms of performance. Provided the software was written right.
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Old 03-14-05, 12:14 PM   #7
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Default Re: Gaming and Multi-Core CPU's

That's what I was thinking too, superkyle. But it could be said that it would function almost as a third core and allow the second CPU core to handle animation and AI while the other handles the gameplay loop and rendering calls. Either way, I think the next few years are going to be extremely exciting for hardware enthusiasts. I'm going to start saving now!
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Old 03-14-05, 12:15 PM   #8
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Default Re: Gaming and Multi-Core CPU's

Haha, I'm also going to start saving. Or the exact opposite: spend, spend, spend!

One of the two...I don't know which yet.
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Old 03-14-05, 01:06 PM   #9
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Lightbulb Re: Gaming and Multi-Core CPU's

Didn't creator of PPU in one of those interview comments said PPU is like 50x faster then todays CPU , so even Dual or quad CPU configuration could not reach same level

But you can always use more CPU power for better AI !
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Old 03-15-05, 02:21 AM   #10
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Default Re: Gaming and Multi-Core CPU's

I pray to god we get some new A.I. advances... it seems like A.I. in games got better until Half Life 1.. then it went downhill
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Old 03-15-05, 07:36 AM   #11
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Default Re: Gaming and Multi-Core CPU's

"50x faster" is a very ambiguous definition

Modern cpu's can do pretty good vector maths operations with the SIMD instructions. Its just alot of the time most game engines dont use them, as they just write in straight C++.
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Old 03-15-05, 07:42 AM   #12
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Default Re: Gaming and Multi-Core CPU's

Excellent article, just got through reading the first and second parts of it (then decided to visit nvnews and noticed I wasn't the first to spot it... hmm). I think the longer term implications are more concerning. GPU's are giving us performance and better eye candy by going the programmable pixel route, and CPU's are going multi core hitting speed barriers at every turn. Hardware designers seem to be wriggling out of problems rather than solving them radically.
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